Files
drinfo/main.c
T
2025-06-28 20:24:28 +02:00

275 lines
8.4 KiB
C

#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/statvfs.h>
#include <mntent.h>
#include <unistd.h>
#include <regex.h>
#include <sys/ioctl.h>
#include <termios.h>
#include <time.h>
#include <sys/stat.h>
char colorbuf[32]; // For bar colors
// Function to get terminal width
int get_terminal_width()
{
struct winsize w;
if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &w) == 0)
{
return w.ws_col;
}
return 80; // Fallback-Value
}
// Function to format bytes into human-readable sizes
void format_bytes(unsigned long long bytes, char *buffer, size_t buffer_size)
{
const char *units[] = {"B", "KB", "MB", "GB", "TB"};
int unit_index = 0;
double size = bytes;
while (size >= 1024.0 && unit_index < 4)
{
size /= 1024.0;
unit_index++;
}
if (unit_index == 0)
{
snprintf(buffer, buffer_size, "%.0f %s", size, units[unit_index]);
}
else
{
snprintf(buffer, buffer_size, "%.2f %s", size, units[unit_index]);
}
}
// Function to calculate usage percentage
double calculate_usage_percent(unsigned long long total, unsigned long long available)
{
if (total == 0)
return 0.0;
unsigned long long used = total - available;
return ((double)used / total) * 100.0;
}
int is_physical_device(const char *fsname)
{
// Check for /dev/sd*, /dev/nvme*, /dev/hd*
return (strncmp(fsname, "/dev/sd", 7) == 0 ||
strncmp(fsname, "/dev/nvme", 9) == 0 ||
strncmp(fsname, "/dev/hd", 7) == 0);
}
// Helper for true-color gradient (red-yellow-green)
void get_bar_color(int idx, int max, char *buffer, size_t size)
{
// New gradient: 0% = green (0,255,0), 50% = yellow (255,255,0), 100% = red (255,0,0)
float ratio = (float)idx / (float)(max - 1);
int r, g, b;
if (ratio < 0.5f)
{
// Green to Yellow
r = (int)(ratio * 2 * 255);
g = 255;
b = 0;
}
else
{
// Yellow to Red
r = 255;
g = (int)((1.0f - (ratio - 0.5f) * 2) * 255);
b = 0;
}
snprintf(buffer, size, "\033[38;2;%d;%d;%dm", r, g, b);
}
// Helper: visible length of a string without ANSI sequences
int visible_length(const char *s)
{
int len = 0;
int in_escape = 0;
for (; *s; ++s)
{
if (*s == '\033')
in_escape = 1;
else if (in_escape && *s == 'm')
in_escape = 0;
else if (!in_escape)
len++;
}
return len;
}
// Adjusted: calculate max visible line length for block
int max_visible_line_length(const char *lines[], int n)
{
int max = 0;
for (int i = 0; i < n; ++i)
{
int len = visible_length(lines[i]);
if (len > max)
max = len;
}
return max;
}
int main()
{
printf("\n");
// Open the mount table
FILE *mtab = setmntent("/proc/mounts", "r");
if (mtab == NULL)
{
perror("Error opening mount table");
return 1;
}
struct mntent *entry;
int drive_count = 0;
// Loop through all mount points
while ((entry = getmntent(mtab)) != NULL)
{
// Skip special file systems
if (strcmp(entry->mnt_type, "proc") == 0 ||
strcmp(entry->mnt_type, "sysfs") == 0 ||
strcmp(entry->mnt_type, "devpts") == 0 ||
strcmp(entry->mnt_type, "tmpfs") == 0 ||
strcmp(entry->mnt_type, "devtmpfs") == 0 ||
strcmp(entry->mnt_type, "securityfs") == 0 ||
strcmp(entry->mnt_type, "cgroup") == 0 ||
strcmp(entry->mnt_type, "cgroup2") == 0 ||
strcmp(entry->mnt_type, "pstore") == 0 ||
strcmp(entry->mnt_type, "efivarfs") == 0 ||
strcmp(entry->mnt_type, "autofs") == 0 ||
strcmp(entry->mnt_type, "debugfs") == 0 ||
strcmp(entry->mnt_type, "tracefs") == 0 ||
strcmp(entry->mnt_type, "configfs") == 0 ||
strcmp(entry->mnt_type, "fusectl") == 0 ||
strcmp(entry->mnt_type, "fuse.gvfsd-fuse") == 0 ||
strcmp(entry->mnt_type, "binfmt_misc") == 0)
{
continue;
}
// Only show physical drives
if (!is_physical_device(entry->mnt_fsname))
{
continue;
}
// Get file system information
struct statvfs fs_info;
if (statvfs(entry->mnt_dir, &fs_info) != 0)
{
continue; // Skip if no information available
}
// Calculate sizes
unsigned long long total_bytes = (unsigned long long)fs_info.f_blocks * fs_info.f_frsize;
unsigned long long available_bytes = (unsigned long long)fs_info.f_bavail * fs_info.f_frsize;
unsigned long long used_bytes = total_bytes - available_bytes;
// Format sizes for output
char total_str[64], used_str[64], available_str[64];
format_bytes(total_bytes, total_str, sizeof(total_str));
format_bytes(used_bytes, used_str, sizeof(used_str));
format_bytes(available_bytes, available_str, sizeof(available_str));
// Target width: 80% of terminal width or max. 120 characters
int terminal_width = get_terminal_width();
int box_width = terminal_width * 4 / 5;
if (box_width > 120)
box_width = 120;
if (box_width < 40)
box_width = 40;
int content_width = box_width - 4; // for frame
int bar_length = content_width - 2; // for [ and ]
if (bar_length < 10)
bar_length = 10;
// Calculate usage
double usage_percent = calculate_usage_percent(total_bytes, available_bytes);
int filled_length = (int)((usage_percent / 100.0) * bar_length);
char percent_text[16];
snprintf(percent_text, sizeof(percent_text), "%.1f%%", usage_percent);
int text_length = strlen(percent_text);
int text_start = filled_length > text_length ? (filled_length - text_length) / 2 : 0;
// Dynamically allocate progress bar
size_t bar_bufsize = bar_length * 64 + 1;
char *bar = malloc(bar_bufsize);
if (!bar)
{
perror("malloc");
exit(1);
}
bar[0] = '\0';
for (int i = 0; i < bar_length; i++)
{
if (i >= text_start && i < text_start + text_length && i < filled_length)
{
get_bar_color(i, bar_length, colorbuf, sizeof(colorbuf));
int r, g, b;
sscanf(colorbuf, "\033[38;2;%d;%d;%dm", &r, &g, &b);
char tmp[128];
snprintf(tmp, sizeof(tmp), "\033[48;2;%d;%d;%dm\033[38;2;0;0;255m%c\033[0m", r, g, b, percent_text[i - text_start]);
strncat(bar, tmp, bar_bufsize - strlen(bar) - 1);
}
else if (i < filled_length)
{
get_bar_color(i, bar_length, colorbuf, sizeof(colorbuf));
strncat(bar, colorbuf, bar_bufsize - strlen(bar) - 1);
strncat(bar, "█\033[0m", bar_bufsize - strlen(bar) - 1);
}
else
{
strncat(bar, "\033[48;2;64;64;64m\033[38;2;160;160;160m░\033[0m", bar_bufsize - strlen(bar) - 1);
}
}
size_t barline_bufsize = bar_bufsize + 16;
char *barline = malloc(barline_bufsize);
if (!barline)
{
perror("malloc");
free(bar);
exit(1);
}
snprintf(barline, barline_bufsize, "[%-*s]", bar_length, ""); // Placeholder for padding
snprintf(barline, barline_bufsize, "[%-*s]", bar_length, ""); // for padding
// Content
printf(" \033[1;33mDrive %d\033[0m\n", drive_count + 1);
printf(" Mount point: %s\n", entry->mnt_dir);
printf(" Filesystem: %s\n", entry->mnt_type);
printf(" Device: %s\n", entry->mnt_fsname);
printf(" Total size: %s\n", total_str);
printf(" Used: %s\n", used_str);
printf(" Available: %s\n", available_str);
// Progress bar
int bar_visible_len = visible_length(bar);
int bar_padding = content_width - bar_visible_len;
printf(" %s%*s\n", bar, bar_padding, "");
free(bar);
free(barline);
drive_count++;
}
endmntent(mtab);
if (drive_count == 0)
{
printf("No drives found.\n");
}
else
{
printf("A total of %d drives found.\n", drive_count);
}
return 0;
}